ruby-1.8.7-p160-tn.patch

--- ruby-1.8.7-p160/eval.c	2009-03-23 18:28:31.000000000 +0900
+++ ruby-1.8.7-p160-tn/eval.c	2009-09-22 18:53:47.000000000 +0900
@@ -3145,6 +3145,9 @@
 		goto while_out;
 	    do {
 	      while_redo:
+		    EXEC_EVENT_HOOK(RUBY_EVENT_LINE, node, self,
+				    ruby_frame->last_func,
+				    ruby_frame->last_class); /* 20090829 TN */
 		rb_eval(self, node->nd_body);
 	      while_next:
 		;
@@ -3180,6 +3183,9 @@
 		goto until_out;
 	    do {
 	      until_redo:
+		    EXEC_EVENT_HOOK(RUBY_EVENT_LINE, node, self,
+				    ruby_frame->last_func,
+				    ruby_frame->last_class); /* 20090829 TN */
 		rb_eval(self, node->nd_body);
 	      until_next:
 		;
--- ruby-1.8.7-p160/gc.c	2009-03-27 19:25:23.000000000 +0900
+++ ruby-1.8.7-p160-tn/gc.c	2009-09-23 21:16:13.000000000 +0900
@@ -1215,7 +1215,7 @@
 	if (malloc_limit < GC_MALLOC_LIMIT) malloc_limit = GC_MALLOC_LIMIT;
     }
     malloc_increase = 0;
-    if (freed < free_min) {
+    if (freed < free_min || freelist == 0) {
 	add_heap();
     }
     during_gc = 0;